Annual Income Is Known to Form a Skewed Distribution but a Researcher

question 17

Multiple Choice

Annual income is known to form a skewed distribution but a researcher wants to know if there is a difference in the distributions of income for men and women in her company. She obtains a random sample of each, converts their annual income into ranks, and then uses the _____________________ test to determine if the overall salaries of one gender differ significantly from the other.

• A) Mann-Whitney test
• B) Wilcoxon matched-pairs signed-ranks test
• C) Kruskal-Wallis test
• D) Spearman test

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